Home / 15,306,759,034.21-21,123,327,295.62-8,266,228,666.21

Finding the Fourth Proportional to 15,306,759,034.21, 21,123,327,295.62 and 8,266,228,666.21

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Solution

The fourth proportional to 15,306,759,034.21, 21,123,327,295.62 and 8,266,228,666.21 is: 11,407,395,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306,759,034.21 : 21,123,327,295.62 = 8,266,228,666.21 : x
  2. Step 2: Convert to fraction form
    15,306,759,034.21/21,123,327,295.62 = 8,266,228,666.21/x
  3. Step 3: Cross multiply
    15,306,759,034.21x = 21,123,327,295.62 × 8,266,228,666.21
  4. Step 4: Simplify right side
    15,306,759,034.21x = 174,610,253,616,790,175,744
  5. Step 5: Solve for x
    x = 174,610,253,616,790,175,744/15,306,759,034.21
  6. Step 6: Final answer
    x = 11,407,395,466.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.